[INFO] cloning repository https://github.com/msp729/scalc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msp729/scalc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsp729%2Fscalc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsp729%2Fscalc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ae644ee8e79d4181259f6f6a2788883ff740ed6
[INFO] checking msp729/scalc/2ae644ee8e79d4181259f6f6a2788883ff740ed6 against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsp729%2Fscalc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/msp729/scalc
[INFO] finished tweaking git repo https://github.com/msp729/scalc
[INFO] tweaked toml for git repo https://github.com/msp729/scalc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/msp729/scalc on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/msp729/scalc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.26.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a922a57374e4aa210078c3a9fa2fa8a9e2abf797e483c001b185723a95ebdb
[INFO] running `Command { std: "docker" "start" "-a" "87a922a57374e4aa210078c3a9fa2fa8a9e2abf797e483c001b185723a95ebdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a922a57374e4aa210078c3a9fa2fa8a9e2abf797e483c001b185723a95ebdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a922a57374e4aa210078c3a9fa2fa8a9e2abf797e483c001b185723a95ebdb", kill_on_drop: false }`
[INFO] [stdout] 87a922a57374e4aa210078c3a9fa2fa8a9e2abf797e483c001b185723a95ebdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff529242e095e7efdecd7b369e361f1a8446dc8df05731fdd7445c8f5b1f9e4
[INFO] running `Command { std: "docker" "start" "-a" "fff529242e095e7efdecd7b369e361f1a8446dc8df05731fdd7445c8f5b1f9e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fff529242e095e7efdecd7b369e361f1a8446dc8df05731fdd7445c8f5b1f9e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff529242e095e7efdecd7b369e361f1a8446dc8df05731fdd7445c8f5b1f9e4", kill_on_drop: false }`
[INFO] [stdout] fff529242e095e7efdecd7b369e361f1a8446dc8df05731fdd7445c8f5b1f9e4